    <div class="btn-group-vertical col-md-2">
        <a  class="btn btn-default  <if condition=" CONTROLLER_NAME eq 'Category' ">active</if>" href="{:U('Category/index')}">
        <i class="glyphicon glyphicon-leaf">&nbsp;</i>分类管理 </a>
        <a  class="btn btn-default  <if condition=" CONTROLLER_NAME eq 'Tag' ">active</if>" href="{:U('Tag/index')}" >
        <i class="glyphicon glyphicon-tags">&nbsp;</i>标签管理</a>
        <a  class="btn btn-default  <if condition=" CONTROLLER_NAME eq 'Article' ">active</if>" href="{:U('Article/index')}" >
        <i class="glyphicon glyphicon-list-alt">&nbsp;</i>文章管理</a>

    </div>